Reservoirs & lochs · South Wales
Usk Reservoir
Also known as: Llyn Wysg
In or near Llandovery.
Usk Reservoir — reservoir on the boundary of Carmarthenshire and Powys, Wales, UK.

Wikimedia Commons contributors — see linked file page for photographer and licence licence
Plan your visit
- Typical visit
- 1 h–2.5 h
- Nearest railway station
- Llandovery · 8.3 km
- Free entry
- Dog-friendly
About
Usk Reservoir is a reservoir in the United Kingdom. Managed by Dŵr Cymru Welsh Water. Wikidata describes it as: "reservoir on the boundary of Carmarthenshire and Powys, Wales, UK". Coordinates: 51.9444°, -3.7139°.
Photo gallery
From the Wikipedia article
The Usk Reservoir (Welsh: Cronfa Wysg) is located in the upper Usk Valley, at 1,006 feet (307 m) above sea level, in the western part of the Brecon Beacons National Park, Wales. The county boundary between Carmarthenshire and Powys runs through the reservoir which lies about six miles to the north of the Black Mountain escarpment. It is an important landmark for walkers on the mountain range.
Excerpt from Wikipedia under CC BY-SA 4.0. See the source article linked in Sources below.
Background
History
Completed in 1955 by Swansea City Council, the dam is approximately 109 ft (33m) in height and 1600 ft (480m) in width. It was the first example in the UK of an earth dam with horizontal drainage blankets. The reservoir covers some 280 acre of land. It can be located just off the minor road between Trecastle and Llanddeusant, 7 mi west of Sennybridge. The reservoir is now owned by Welsh Water and the surrounding forests are managed on their behalf by Natural Resources Wales. Most of the area is open to walkers and cyclists via forest tracks and other footpaths. There are several small car parks for visitors. The reservoir is stocked with freshwater fish such as trout and can be fished with…
Sourced from Wikipedia under CC BY-SA 4.0.
- Coordinates
- 51.9444, -3.7139
- Nearest railway station
- Llandovery — 8.3 km
Sources
- wikidata: Q3397828 (CC0)
- wikipedia: Usk Reservoir (CC BY-SA 4.0)
- commons: Usk reservoir.jpg (CC BY-SA 4.0)
Other places nearby

Gwernwyddog Standing Stone
Stone circles · 1.1 km

Pen y bylchau
Castles · 1.8 km

Mynydd Myddfai
Mountains & hills · 1.8 km

Waun-Ddu
Other places · 1.8 km

Mynydd Myddfai
National parks · 2.0 km

Glasfynydd Forest
Archaeological sites · 2.1 km

Castell Du, Llywel
Literary houses · 2.1 km

Fedw Fawr
Mountains & hills · 2.3 km

Y Pigwn Camp Outpost
Forts · 2.3 km

Waun Ddu
Literary houses · 2.4 km

Mynydd Bach Trecastell
Castles · 2.6 km

Roman Marching Camp (Y Pigwm)
Forts · 2.6 km
Nearby
Stone circles · South Wales
Gwernwyddog Standing Stone
Gwernwyddog Standing Stone — a stone circle in wales-south, United Kingdom.
Mountains & hills · Mid Wales
Mynydd Myddfai
Mynydd Myddfai — mountain in wales south. Elevation: 440 m.

📷 3Archaeological sites · South Wales
Glasfynydd Forest
Glasfynydd Forest — forest on the boundary of Carmarthenshire and Powys, Wales, UK.
Where to eat & stay near Usk Reservoir
Places to stay
Campsites · South Wales
The Wildman Woods Campsite
The Wildman Woods Campsite — a campsite in wales south.
Caravan parks · South Wales
Black Mountain Caravan and Camping Park
Black Mountain Caravan and Camping Park — a caravan park in wales south.
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Erwlon Caravan & Camping Site
Erwlon Caravan & Camping Site — a caravan park in wales south.
Places to eat & drink
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Frequently asked questions
- Where is Usk Reservoir?
- Usk Reservoir is in South Wales, United Kingdom.
- What is Usk Reservoir?
- Usk Reservoir — reservoir on the boundary of Carmarthenshire and Powys, Wales, UK.
- How do I get to Usk Reservoir?
- The nearest railway station is Llandovery, about 8.3 km away. Its coordinates are 51.9444°, -3.7139°.
- Who runs Usk Reservoir?
- Usk Reservoir is operated by Dŵr Cymru Welsh Water.
- Is Usk Reservoir free to visit?
- Yes, Usk Reservoir is free to enter.